Orbital Flight Test-2 Starliner, Atlas V Roll Return to Launch Pad

A United Launch Alliance Atlas V rocket with Boeing’s CST-100 Starliner spacecraft onboard is seen as it is rolled out of the Vertical Integration Facility to the launch pad at Space Launch Complex 41 ahead of the Orbital Flight Test-2 (OFT-2) mission, Thursday, July 29, 2021 at Cape Canaveral Space Force Station in Florida. Boeing’s Orbital Flight Test-2 will be Starliner’s second uncrewed flight test and will dock to the International Space Station as part of NASA's Commercial Crew Program.
A United Launch Alliance Atlas V rocket with Boeing’s CST-100 Starliner spacecraft onboard is seen as it is rolled out of the Vertical Integration Facility to the launch pad at Space Launch Complex 41 ahead of the Orbital Flight Test-2 (OFT-2) mission, Thursday, July 29, 2021 at Cape Canaveral Space Force Station in Florida. Boeing’s Orbital Flight Test-2 will be Starliner’s second uncrewed flight test and will dock to the International Space Station as part of NASA’s Commercial Crew Program. Photo credit: NASA/Aubrey Gemignani

This morning, Aug. 2, Boeing’s CST-100 Starliner spacecraft and the United Launch Alliance (ULA) Atlas V rocket rolled out of the ULA Vertical Integration Facility (VIF) to return to the launch pad at Space Launch Complex-41 on Cape Canaveral Space Force Station in Florida ahead of NASA’s Boeing Orbital Flight Test-2 mission to the International Space Station. Liftoff is scheduled for 1:20 p.m. EDT on Tuesday, Aug. 3.

Starliner and the Atlas V rocket made the first trip to the launch pad on July 29, but rolled back to the VIF on July 30 to avoid potential inclement weather.

For a launch Tuesday, meteorologists with the U.S. Space Force 45th Weather Squadron are predicting a 60% chance of favorable weather. The primary weather concerns for launch day are the cumulus cloud rule, lightning rule, and thick cloud rule violations during the instantaneous launch window.

NASA TV will cover the upcoming prelaunch, launch, and docking activities. Mission coverage is as follows (all times Eastern):

Tuesday, Aug. 3

12:30 p.m. – NASA TV launch coverage begins for a targeted 1:20 p.m. liftoff. NASA TV will have continuous coverage through Starliner orbital insertion.

3:30 p.m. (approximately) – Postlaunch news conference on NASA TV.

Wednesday, Aug. 4

10:30 a.m. – NASA TV rendezvous and docking coverage begins.

1:37 p.m. (scheduled) – Docking

Thursday, Aug. 5

8:30 a.m. – NASA TV hatch opening coverage begins

8:40 a.m. – Hatch opening

9:40 a.m. (approximately) – Welcoming remarks

Learn more about station activities by following @space_station and @ISS_Research on Twitter as well as the ISS Facebook and ISS Instagram accounts.

NASA’s Boeing OFT-2: Weather 60% Favorable for Aug. 3 Launch

NASA, Boeing and United Launch Alliance are targeting 1:20 p.m. EDT Tuesday, Aug. 3, for launch of the Orbital Flight Test-2 (OFT-2) to the International Space Station.

For a launch Tuesday, meteorologists with the U.S. Space Force 45th Weather Squadron are predicting a 60% chance of favorable weather. The primary weather concerns for launch day are the cumulus cloud rule, lightning rule and thick cloud rule violations during the instantaneous launch window.

Boeing’s CST-100 Starliner will launch on a United Launch Alliance Atlas V rocket from Space Launch Complex-41. Starliner is scheduled to dock to the space station about 1:37 p.m. Wednesday, Aug. 4.

NASA will provide coverage of the upcoming prelaunch, launch, and docking activities for the agency’s Boeing OFT-2.

Mission coverage is as follows (all times Eastern):

Tuesday, Aug. 3

12:30 p.m. – NASA TV launch coverage begins for a targeted 1:20 p.m. liftoff. NASA TV will have continuous coverage through Starliner orbital insertion.

3:30 p.m. (approximately) – Postlaunch news conference on NASA TV.

Wednesday, Aug. 4

10:30 a.m. – NASA TV rendezvous and docking coverage begins.

1:37 p.m. (scheduled) – Docking

Thursday, Aug. 5

8:30 a.m. – NASA TV hatch opening coverage begins

8:40 a.m. – Hatch opening

9:40 a.m. (approximately) – Welcoming remarks

More details about the mission and NASA’s Commercial Crew Program can be found by following the commercial crew blog, @commercial_crew and commercial crew on Facebook.

Learn more about station activities by following @space_station and @ISS_Research on Twitter as well as the ISS Facebook and ISS Instagram accounts.

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